Revert "[FEATURE] Add stdWrap to config.additionalHeaders"

This reverts commit 2124bba4.

The feature is reverted as the functionality can't be provided
in a fully working manner to work in all possible cases the FE
may be called.

Change-Id: Ia7caf3770b12737fd195da9d9f66bdc179981de8
Resolves: #86492
Reverts: #23494
Releases: master
Reviewed-on: https://review.typo3.org/58517


Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Tested-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Josef Glatz <josef.glatz@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>